Bayern Munich began the second half of their Bundesliga season on Friday and now have 16 games left to see out their lead in the table.
The German record champions have won the last three league titles and are heavily favored to make it four in a row this spring. However, they will have to negotiate some serious obstacles in the coming months.
B/R has picked out the five biggest tests Bayern will face between now and season's end, ranking them in order of increasing difficulty. Click "Begin Slideshow" to see our picks, starting with number five.